Any nudism beaches?

Other than the resort which is often mentioned up north, do you know any beaches where a few people go and strip naked enjoying the sun and the water? 

I read public nudity is illegal in Thailand but I also read there's a few hidden places where no one cares. Can you recommend some which you've personally visited and sunbathed naked? 

Thanks

Edit: I'll be in Patong and don't intend to travel too much (max 1 hour by bus or taxi)